The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The House of Hades
The Heroes of Olympus (1)
The Serpent's Shadow
The Kane Chronicles (3)
How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)
Unraveled
Shannon Messenger
Keeper of the Lost Cities (9.5)